{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "engineering feature", "process characterization", "machine or equipment", "manufacturing process", "material"], "input": "Examples include for example the production of spare parts and production on problematic production locations like space , war zones and the oil & gas industry ."}
{"concept or principle": ["gas"], "engineering feature": [], "process characterization": [], "machine or equipment": [], "manufacturing process": ["production"], "material": ["oil"]}